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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1382) MRAsyncDiscService should tolerate missing local.dir
Date Thu, 21 Jan 2010 20:15:54 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12803467#action_12803467

Todd Lipcon commented on MAPREDUCE-1382:

Hi Zheng,

I wonder whether localFileSystem.listStatus will ever throw IOE in the case of a bad volume?
Yours handles the case where the volume doesn't exist at all, but I can imagine if it's on
a broken mount, the listStatus will get an I/O Error from the underlying filesystem and throw
at that point. Do you need to catch this and handle in the same way as if it were null? Thanks.

> MRAsyncDiscService should tolerate missing local.dir
> ----------------------------------------------------
>                 Key: MAPREDUCE-1382
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1382
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Scott Chen
>            Assignee: Zheng Shao
>         Attachments: MAPREDUCE-1382.1.patch, MAPREDUCE-1382.branch-0.20.on.top.of.MAPREDUCE-1302.1.patch
> Currently when some of the local.dir do not exist, MRAsyncDiscService will fail. It should
only fail when all directories don't work.

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